SEATTLE — Youth cyberbullying is dramatically more likely to occur between current or former friends and dating partners than between students who were never friends or in a romantic relationship, suggests a new study that will be presented at the 111th Annual Meeting of the American Sociological Association (ASA).

The Brazilian women’s rugby sevens team may not have fared so well on Monday, earning a ninth-place finish in the Olympics’ inaugural showing of the sport. But for athlete Isadora Cerullo, the night ended in smiles, kisses and love after her girlfriend proposed to her on the field in Rio.